I must structuralize you must structuralize she must structuralize we must structuralize you must structuralize they must structuralize
V-ing form
I must be structuralizing you must be structuralizing she must be structuralizing we must be structuralizing you must be structuralizing they must be structuralizing
Perfect
I must have structuralized you must have structuralized she must have structuralized we must have structuralized you must have structuralized they must have structuralized
V-ing perfect
I must have been structuralizing you must have been structuralizing she must have been structuralizing we must have been structuralizing you must have been structuralizing they must have been structuralizing
Negation
Simple form
I must not structuralize you must not structuralize she must not structuralize we must not structuralize you must not structuralize they must not structuralize
V-ing form
I must not be structuralizing you must not be structuralizing she must not be structuralizing we must not be structuralizing you must not be structuralizing they must not be structuralizing
Perfect
I must not have structuralized you must not have structuralized she must not have structuralized we must not have structuralized you must not have structuralized they must not have structuralized
V-ing perfect
I must not have been structuralizing you must not have been structuralizing she must not have been structuralizing we must not have been structuralizing you must not have been structuralizing they must not have been structuralizing
Interrogative form
Simple form
must I structuralize? must you structuralize? must she structuralize? must we structuralize? must you structuralize? must they structuralize?
V-ing form
must I be structuralizing? must you be structuralizing? must she be structuralizing? must we be structuralizing? must you be structuralizing? must they be structuralizing?
Perfect
must I have structuralized? must you have structuralized? must she have structuralized? must we have structuralized? must you have structuralized? must they have structuralized?
V-ing perfect
must I have been structuralizing? must you have been structuralizing? must she have been structuralizing? must we have been structuralizing? must you have been structuralizing? must they have been structuralizing?
Interro-negative form
Simple form
must I not structuralize? must you not structuralize? must she not structuralize? must we not structuralize? must you not structuralize? must they not structuralize?
V-ing form
must I not be structuralizing? must you not be structuralizing? must she not be structuralizing? must we not be structuralizing? must you not be structuralizing? must they not be structuralizing?
Perfect
must I not have structuralized? must you not have structuralized? must she not have structuralized? must we not have structuralized? must you not have structuralized? must they not have structuralized?
V-ing perfect
must I not have been structuralizing? must you not have been structuralizing? must she not have been structuralizing? must we not have been structuralizing? must you not have been structuralizing? must they not have been structuralizing?